We will send your comments, along with a link to this page, to the appropriate project members. Your information will not be kept in our records or used for any other purpose than to send the message. Fields marked with an * are required.

Name:*

Organization:*

Email:*

Message:*

Security Code:*(Please enter the code in the box provided. Thisprotects the form fromabuse.)

Building sitework includes site preparations, site improvements, site civil/mechanical utilities, site electrical utilities, service and pedestrian tunnels, and other site construction, such as bridges, and railroad spurs.

G10

SITE PREPARATIONS

ACR

Hectare

Total area of site

This system includes assemblies for miscellaneous sitework such as clearing and grubbing, demolition and relocation, various earthwork tasks, and other site preparation and cleanup requirements. Hazardous cleanup is not included but is the subject of another WBS.

This covers the different assemblies and options available for clearing of a site, tree and stump removal, burning, grubbing, chipping, and load and haul assemblies for removal of the cleared material.

1701

G101001

CLEARING

ACR

Hectare

Area to be cleared

This is the removal of above ground vegetation including stumps. For a wet site, Low Ground Pressure (LGP) equipment is used.

170101

G101002

TREE REMOVAL

EA

EA

Number of trees to be removed

This is the selective removal of trees on the site. Various options exist for different sizes of trees to be removed.

170102

G101003

STUMP REMOVAL

EA

EA

Number of stumps to be removed

This is the selective removal of stumps on the site. Various options exist for different sizes of stumps to be removed.

170103

G101004

GRUBBING

ACR

Hectare

Area to be grubbed

Grubbing is the removal of sod and other topsoil that contains unsuitable organic material. Various equipment types and size choices are available. Wet grubbing utilizes Low Ground Pressure (LGP) equipment. Haul-off of grubbed material is also included.

170105

G101005

SELECTIVE THINNING

ACR

Hectare

Area to be thinned

This is the selective removal of trees and underbrush without requiring extensive clearing and/or grubbing of the site.

170106

G101006

DEBRIS DISPOSAL

CY

M3

Volume of material

This is the disposal of the material that has been cleared and grubbed. Loading, hauling, and dump charges are included.

This includes the demolition and/or relocation of structures, pavements, fencing, and underground utilities. Disposal of debris or demolished material, including loading and hauling, is also included.

1702

G102001

BUILDING MASS DEMOLITION

CF

M3

Interior volume of building

This is the complete demolition of buildings or structures. Options include steel, concrete, masonry, and wood structures.

170201

G102002

ABOVE GROUND SITE DEMOLITION

SY

M2

Area to be demolished

This is the demolition of pavements, fencing, and other non-building structures on a site. Pavement include roads, sidewalks, driveways, and curbs. Fencing types include chain link, barbed wire, and wood. This can also include removal and disposal of above ground storage tanks, including tank contents, associated piping, etc.

170202

G102003

UNDERGROUND SITE DEMOLITION

SY

M2

Area to be demolished

This is the demolition of underground utilities such as piping, manholes, and other non-building underground structures. The unit of measure at the assembly level for piping is LF and for manholes is CY. This can also include removal and disposal of under ground storage tanks, including tank contents, associated piping, etc.

170203

G102004

BUILDING RELOCATION

SF

M2

Area of building to be relocated

This is the process of dismantling a structure, and reassembling it on a different site.

170205

G102005

UTILITY RELOCATION

LF

M

Length of pipe run

To remove and reset. This is the removal and relocation of underground utilities such as steel and concrete pipe.

170206

G102006

FENCING RELOCATION

LF

M

Length of fencing

170207

G102007

SITE CLEANUP

SY

M2

Area of site to clean

Covered in this assembly category are items for site and area cleanup and pavement sweeping. Disposal of the debris is also included.

170401

G102090

OTHER SITE DEMOLITION & RELOCATIONS

XX

XX

Site demolition and relocation not described by the assembly categories listed above.

Included are assemblies and options for site work such as grading, excavation, filling, compaction, stabilization, etc.

1703

G103001

GRADING

SY

M2

Area to be graded

Grading is leveling or flattening of the site in preparation for landscaping or other site construction. Includes unlined stormwater collection ponds.

170301

G103002

COMMON EXCAVATION

CY

M3

Volume of material to be excavated

This is excavation for roads, sidewalks, curbs, and trenching for underground utilities. Excavation may be carried out by a variety of equipment sizes and types. Disposal of the excavated material is also included.

170302

G103003

ROCK EXCAVATION

CY

M3

Volume of rock to be excavated

This is excavation of rock by explosives. Different equipment selections and load and haul are included.

170303

G103004

FILL & BORROW

CY

M3

Volume of material to place

This is filling or replacing the material that was removed during excavation. Either the excavated material may be used or soil and sand may be hauled in from off-site. Filling to basements and foundations is not included in the subsystem.

170304

G103005

COMPACTION

CY

M3

Volume of material to compact

Compaction is the process of packing the fill material once it is in place. This may be done by machine or hand. Assemblies exist for both hand and machine compaction of soil, sand, and the excavated material.

170305

G103006

SOIL STABILIZATION

CY

M3

Volume of soil to stabilize

This is stabilization of the soil-in-place by the addition of lime or cement.

170306

G103007

SLOPE STABILIZATION

SY

M2

Area of slope

This is stabilization of the soil-in-place through the use of rip rap, gabions, slope paving, or other forms of soil armoring.

170307

G103008

SOIL TREATMENT

SY

M2

Area of soil to treat

Treatment of soil prior to final construction for insect protection or other purposes.

170308

G103009

SHORING

SF

M2

Area requiring shoring

Shoring is the temporary support for existing structures or excavation during construction.

170309

G103010

TEMPORARY DEWATERING

SY

M2

Area to dewater

This is the dewatering of the site by wellpoints to lower the groundwater table. This will facilitate excavation in areas with high water tables.

Assemblies are included that improve the appearance of the site by planting, seeding, and sodding.

G205001

FINE GRADING & SOIL PREPARATION

SY

M2

Area of site

180501

Fine grading of the site by hand or machine is required to prepare the soil for planting, seeding, or sodding.

G205002

EROSION CONTROL MEASURES

SY

M2

Area of erosion

180502

Soil erosion or deterioration due to wind, rain or other factors can be controlled or remedied in different ways. This includes slope protection by planting or vegetation or grass and/or placement of manmade geotextiles.

G205003

TOPSOIL & PLANTING BEDS

SY

M2

Area of planting bed

180503

Topsoil is placed to provide the nutritious soil bed which is required for plants or grass to grow.

G205004

SEEDING, SPRIGGING AND SODDING

SY

M2

Area of site

180504

This includes the seeding, sodding, fertilizing, watering, and mowing for the grass required on site.

G205005

PLANTINGS

EA

EA

Number of plants

180505

This includes the planting of trees, shrubs, and other vegetation for site beautification or improvement.

G205006

PLANTERS

EA

EA

Number of planters

180506

Planters are exterior decorative containers that contain plants or trees.

G205007

IRRIGATION SYSTEMS

SY

M2

Area of site to be watered

180507

This includes the installation of underground irrigation systems required for watering of trees, shrubs, and grass or other vegetation.

This includes installation or construction of water distribution systems and facilities.

G301001

WELL SYSTEMS

EA

EA

Each system

190101

This includes all the components necessary to install a well, including drilling, installing casings, pumps, valves, etc.

G301002

POTABLE WATER DISTRIBUTION

LF

M

Length of system

190102

This includes construction and installation of underground piping, valve boxes, and valves.

G301003

POTABLE WATER STORAGE

GAL

GAL

Amount stored

190103

This includes construction and installation of tanks, both at grade and elevated.

G301004

FIRE PROTECTION WATER DISTRIBUTION

LF

M

Length of system

190104

This includes construction and installation of dedicated water piping for fire protection system only. This does not include potable water distribution systems that are used as a water source for fire protection systems.

G301005

FIRE PROTECTION WATER STORAGE

GAL

GAL

Amount stored

190105

This includes tanks on grade and elevated for storage of water for fire protection only.

G301006

NON-POTABLE WATER DISTRIBUTION

LF

M

Length of system

190106

This includes construction and installation of water distribution system not for consumption, such as irrigation or hydro-electric power generation and from reservoirs to treatment facilities.

G301007

PUMPING STATIONS

GPM

L/S

Operating capacity

190107

This includes construction and installation of pumps, valves, and piping.

G301008

PACKAGED WATER TREATMENT PLANTS

GPD

GPD

Operating capacity

190108

This includes installation of completely assembled water treatment plants.

Exterior electrical lighting systems including conductors, switches, controls and other devices, supporting structures, grounding systems, and all other equipment required to support a lighting system.

G402001

EXTERIOR LIGHTING FIXTURES & CONTROLS

EA

EA

Number of fixtures

200301

Includes fixtures, controls, and all components used in conjunction with exterior lighting.

G402002

SPECIAL SECURITY LIGHTING SYSTEMS

EA

EA

Number of systems

200302

Includes all components used for special security lighting.

G402003

OTHER AREA LIGHTING

EA

EA

Number of fixtures

200303

Includes components and equipment used for area lighting.

G402004

LIGHTING POLES

EA

EA

Number of towers and poles

200304

Poles used to support lighting fixtures and support equipment.

G402005

UNDERGROUND ELECTRIC CONDUCTORS

LF

M

Length of conductor

200305

Includes conductors for underground electrical distribution to lighting systems.

Other site construction includes bridges, railroad spurs and snow melting systems.

G909001

BRIDGES

SY

M2

Area of structure

180601

Bridges included here are typically small spans or overpasses that are not meant to be used to estimate spans over large bodies of water. Options exist for cast-in-place concrete T-beam, precast I-beam, precast box, concrete and steel composite, laminated timber deck bridge structures.